
n.沖動;心血來潮;神經沖動;[物]沖量;[電]脈沖
vt.推動
He bought the house on an impulse. 他憑一時沖動買下了這所房子。
We were seized by a sudden impulse to run. 我們身不由己突然想跑。
On impulse, I picked up the phone and rang my sister in Australia. 我一時心血來潮,拿起話筒就給在澳大利亞的妹妹打了個電話。
He grasped her hand on an impulse. 他情不自禁地握緊她的手。
I had an impulse to go shopping. 我當時有種購物的沖動。
impulse用作名詞,意思是“沖動,突然的想法”,后面常接動詞不定式作其定語,但不可接動名詞。
impulse作“一時的想法,突然的想法”解時,是可數名詞,可接動詞不定式作表語。